A single can of energy drink may increase the risk of heart attack

energy drink

A single can of energetic drink can reduce blood vessels in 90 minutes, according to a study from the University of Texas.

Rich in caffeine and other “doping” products appreciated by teens, energy drinks are not safe for the heart. Until now, experts thought that the first adverse effects occurred after consuming at least 500 ml of caffeine drink (ie two cans). But according to a new study from the University of Texas (USA), a single can can shrink the blood vessels, increasing the risk of stroke or heart attack.

For this study, Dr. John Higgins and his colleagues at the University of Texas recruited 44 students from the Mc Govern School of Medicine in Houston. All non-smokers and classified as “healthy”.

They tested the condition of the endothelium of these students (a layer of cells lining the surface of the blood vessels that may be a marker of heart attack) at the beginning of the study and then 90 minutes after having given them drink a can energy drink. They found that within this time the internal diameter of the blood vessels had been reduced by almost half.

According to Dr. Higgins, the malfunction of the blood vessels may be related to the effects of caffeine, taurine and sugar on the endothelium.

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A previous study has already brought to light the effects of energy on drinks on health, especially children. Some of these drinks can contain up to 400 milligrams of caffeine for 250ml, while the level considered toxic for a child under 12 is 2.5 milligrams per kilogram of body weight. For example, a 10-year-old could become intoxicated with caffeine after drinking 80 mg, and the 12-year-old could be poisoned after drinking 100 mg.

Emy Torres

Emy holds a degree in Political Science from the University of Michigan and currently freelances part-time for The Talking Democrat.